MEASURES OF DISPERSION A. MEASURES OF DISPERSION DETERMINE HOW MUCH...

2. Measures of Dispersion a. Measures of dispersion determine how much the scores vary from each other, or the differences among those scores. b. The range is the distance between the highest and lowest score. It is found by subtracting the lowest score from the highest score. c. The standard deviation measures how much the scores vary, on average, around the mean. The smaller the standard deviation, the less variability there is from the mean. B. Inferential Statistics